export function timeToString(date, formatStr) {
    if (date instanceof Date) {
      var str = formatStr
      var Week = ['日', '一', '二', '三', '四', '五', '六']
      str = str.replace(/yyyy|YYYY/, date.getFullYear())
      str = str.replace(/yy|YY/, (date.getYear() % 100) > 9 ? (date.getYear() % 100).toString() : '0' + (date.getYear() % 100))
  
      str = str.replace(/MM/, date.getMonth() >= 9 ? (date.getMonth() + 1).toString() : '0' + (date.getMonth() + 1))
      str = str.replace(/M/g, date.getMonth() + 1)
  
      str = str.replace(/w|W/g, Week[date.getDay()])
  
      str = str.replace(/dd|DD/, date.getDate() > 9 ? date.getDate().toString() : '0' + date.getDate())
      str = str.replace(/d|D/g, date.getDate())
  
      str = str.replace(/hh|HH/, date.getHours() > 9 ? date.getHours().toString() : '0' + date.getHours())
      str = str.replace(/h|H/g, date.getHours())
      str = str.replace(/mm/, date.getMinutes() > 9 ? date.getMinutes().toString() : '0' + date.getMinutes())
      str = str.replace(/m/g, date.getMinutes())
  
      str = str.replace(/ss|SS/, date.getSeconds() > 9 ? date.getSeconds().toString() : '0' + date.getSeconds())
      str = str.replace(/s|S/g, date.getSeconds())
  
      return str
    }
    return date
}

export function getGuid(){
  return 'xxxxxxxx_xxxx_4xxx_yxxx_xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0,
        v = c === 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  })
}